Rotor blade shaft integrity monitoring system

Details Rotor blade shaft integrity monitoring system Rotor blade shaft integrity monitoring system

1981-10-26

1983-02-15

Coe, Philip R.

Fluid reaction surfaces (i.e., impellers)

With measuring, testing, signalling or inspection means

416134A, 416226, 73 407, 116264, B64C 1116, B64C 2748

Patent

active

043738621

ABSTRACT:
A helicopter rotor blade to hub arm attachment configured to react centrifugal loads from the blade through a blade cuff, spindle, and elastomeric bearings utilizes a pre-loaded bolt through the spindle for load sharing therewith and a spindle integrity monitoring indicator to provide a visual showing of a deviation from the normal load sharing proportion.

REFERENCES:
patent: 1778648 (1930-10-01), Van Dyken
patent: 3734642 (1973-05-01), Dixon
patent: 4264277 (1981-04-01), McCafferty

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